fix(section-secret-manager-highlight): remove buggy Firefox animation

[RemiBonnet]

Summary

Issue:

Screenshots / Recordings

Testing

• Changes tested locally in the relevant Console's pages and Storybooks
• yarn test or yarn test -u (if you need to regenerate snapshots)
• yarn format
• yarn lint

PR Checklist

• I followed naming, styling, and TypeScript rules (see .cursor/rules)
• I performed a self-review (diff inspected, dead code removed)
• I titled the PR using Conventional Commits with a scope when possible (e.g. feat(service): add new Terraform service) - required for semantic-release
• I only kept necessary comments, written in English (watch for useless AI comments)
• I involved a designer to validate UI changes if I am not a designer
• I covered new business logic with tests (unit)
• I confirmed CI is green (Codecov red can be accepted)
• I reviewed and executed locally any AI-assisted code

[codecov]

Codecov Report

❌ Patch coverage is 37.50000% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 47.17%. Comparing base (752065d) to head (80ac694).
⚠️ Report is 1 commits behind head on staging.

Files with missing lines	Patch %	Lines
...ger-highlight/section-secret-manager-highlight.tsx	0.00%	4 Missing ⚠️
libs/shared/util-js/src/index.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           staging    #2793      +/-   ##
===========================================
- Coverage    47.44%   47.17%   -0.27%     
===========================================
  Files         1267     1200      -67     
  Lines        26812    25644    -1168     
  Branches      7913     7621     -292     
===========================================
- Hits         12721    12098     -623     
+ Misses       11892    11461     -431     
+ Partials      2199     2085     -114     

Flag	Coverage Δ
unittests	47.17% <37.50%> (-0.27%)	⬇️

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